| Primary Identifier | MGI:2450162 | Allele Type | Targeted |
| Attribute String | Conditional ready, No functional change | Gene | Rb1 |
| Transmission | Germline | Strain of Origin | 129S4/SvJae |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Single loxP sites flank exon 3. |